Submission #422132

#	Time	Username	Problem	Language	Result	Execution time	Memory
422132		MarcoMeijer	Boxes with souvenirs (IOI15_boxes)	C++14	50 / 100	2076 ms	13752 KiB

boxes

#include "boxes.h"
#include <bits/stdc++.h>
using namespace std;

// macros
typedef long long ll;
typedef long double ld;
typedef pair<int, int> ii;
typedef pair<ll, ll> lll;
typedef tuple<int, int, int> iii;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef vector<iii> viii;
typedef vector<ll> vll;
typedef vector<lll> vlll;
#define REP(a,b,c) for(int a=int(b); a<int(c); a++)
#define RE(a,c) REP(a,0,c)
#define RE1(a,c) REP(a,1,c+1)
#define REI(a,b,c) REP(a,b,c+1)
#define REV(a,b,c) for(int a=int(c-1); a>=int(b); a--)
#define FOR(a,b) for(auto& a : b)
#define all(a) a.begin(), a.end()
#define INF 1e9
#define EPS 1e-9
#define pb push_back
#define popb pop_back
#define fi first
#define se second
#define sz size()
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());

ll delivery(int n, int k, int l, int p[]) {
    ll i=0;
    
    ll ans = 0;

    if(k == 1 || k == n) {
        while(i < n) {
            ll cur = 0;
            RE(j,k) {
                if(i == n)
                    break;
                ll delta = abs(cur - p[i]);
                ans += min(delta, l-delta);
                cur = p[i++];
            }
            ans += min(cur, l-cur);
        }
    } else {
        ans = 1e18;
        RE(x,k) {
            ll cAns = 0;
            i = 0;
            while(i < n) {
                ll cur = 0;
                RE(j,k) {
                    if(i == n)
                        break;
                    ll delta = abs(cur - p[(i+x)%n]);
                    cAns += min(delta, l-delta);
                    cur = p[(i+x)%n];
                    i++;
                }
                cAns += min(cur, l-cur);
            }
            ans = min(ans, cAns);
        }
    }

    return ans;
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 15 / 15
• Subtask 4: 15 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30